31 C.F.R. § 352.1 Governing regulations.
Title 31 - Money and Finance: Treasury
Series HH bonds are subject to the regulations of the Department of the Treasury, now or hereafter prescribed, governing United States Savings Bonds of Series EE and HH contained in Department of the Treasury Circular, Public Debt Series No. 3–80, as amended (31 CFR part 353), hereinafter referred to as Circular No. 3–80.
Title 31: Money and Finance: Treasury
PART 352—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES HH
§ 352.1 Governing regulations.